innumerate
Unable to calculate
Innumerate describes someone who lacks basic competence with numbers and mathematical concepts—the numerical equivalent of illiterate.
An innumerate person struggles with percentages, statistics, or simple calculations: The innumerate journalist misread the study's findings.
The word often carries judgment, suggesting a deficit that educated people shouldn't have.
ignorance
Lacking formal instruction
- untrainedLacking learned skills
- unschooledLacking formal instruction
- untutoredWithout formal instruction
- uninformedLacking necessary knowledge
unknowledgeable · unversed · inexpert · incompetent · unskilled · clueless · naive · oblivious
uneducated
Lacking formal instruction
- untrainedLacking learned skills
- unschooledLacking formal instruction
- untutoredWithout formal instruction
uninformed · unknowledgeable · unversed · inexpert · incompetent · unskilled · clueless · naive · oblivious · unaware
dyscalculia
Impaired numerical cognition